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Research Topic 8 of 10

🧤Falconry & Eagle Management

Federal falconry standards, rehabilitation research, and the eagle feather legal framework for Indigenous religious use.

TL;DRFalconry-based eagle removal is one of the most effective legal tools — 50 CFR § 21.82 governs the federal framework. Rehabilitated eagles released yield 4+ wild birds per release (Hagen 2024).

Meant For You

The same research, written for your role. Choose your perspective — every tab ends with a concrete takeaway you can act on.

🐑 For Western Producers
This is one of the few genuinely practical, legal tools a rancher has. A master-class falconer can be authorized to trap a confirmed problem eagle and remove it from your land permanently — and the bird isn't killed, it becomes a working falconry partner. That non-lethal outcome sidesteps the entire political and legal minefield of lethal take. The catch is supply: there is only a small annual allocation of golden eagles for falconry take from documented depredation areas, distributed through a USFWS drawing, so the tool exists but is throttled.
✅ Do this If you have a confirmed, recurring depredating eagle, ask USDA Wildlife Services and your state about connecting with a master falconer for live removal — and add your voice to the case for expanding the small annual falconry take allocation.
🧤 For the Falconry Community
This page is the spine of the policy argument. The governing rule is 50 CFR § 21.82. Wild eagle take for falconry is limited to a small annual allocation of golden eagles from documented depredation areas, distributed through a USFWS drawing. Captive breeding remains prohibited, but the 2011 USFWS Advance Notice of Proposed Rulemaking formally opened that question. The reform path is regulatory, not legislative — achievable without an act of Congress.
🎯 The leverage point The allocation is small and distributed through a USFWS drawing — and adjusting it needs only a rule change, not a new law.
🔬 For Researchers
Hagen et al. (2024) in Wildlife Biology delivered the first rigorous return-on-investment analysis of raptor rehabilitation: across 17 species and 24 U.S. centers, released rehabilitated golden eagles yielded an estimated ≥4× population return, and — crucially — their post-release survival matched the wild-hatched cohort. This directly answers the long-standing skepticism that managed or rehabilitated birds are 'ecologically wasted.' They are not.
📄 Key source Hagen, C.A., Goodell, J.M., Millsap, B.A. & Zimmerman, G.S. (2024), 'Dead birds flying.' Wildlife Biology.
🏛️ For Agencies & Policymakers
The national falconry take allocation — a small annual number of golden eagles from documented depredation areas, distributed through a USFWS drawing — is a candidate for review against current science rather than a sustainable-yield calculation. Two features make it an unusually clean reform target: it can be revised through ordinary rulemaking with no legislation required, and the population data needed to set a defensible replacement number already exists in the Millsap model.
⚖️ The policy lever Replace the static falconry take allocation with a science-based, periodically recalculated quota — achievable through standard APA rulemaking.
👥 For the General Public
Falconry isn't just an old sport — it's a working conservation tool. A skilled falconer can remove a problem eagle from a ranch without harming it, giving the bird a managed life instead of a death. Falconers also help rehabilitate injured eagles and could, with rule changes, help breed and release them. Outdated regulations currently limit how much of this help is allowed.
💡 In one line Falconers can solve eagle conflicts without killing eagles — old rules just limit how much they're allowed to help.

Falconry & Eagle Management

TL;DR
  • Only eagles "that would otherwise be taken" for depredation can be wild-captured for falconry — Master license required
  • Captive breeding of eagles is federally prohibited (no final rule ever issued to change this)
  • This creates a live-removal pipeline: problem birds become falconry candidates instead of being lethally controlled

Golden Eagles in Falconry

Golden eagles are the premier falconry species due to their:

Captive Breeding Restrictions & Wild Capture Requirements

Critical Policy: Captive breeding of golden eagles for falconry is PROHIBITED under current federal regulations (50 CFR 21.82). All falconry eagles must come from wild-caught birds, specifically those that would otherwise be taken for depredation control.
📜 USFWS Explored Lifting This Prohibition — 2011 ANPR

In 2011, Dr. George T. Allen (USFWS Division of Migratory Bird Management) published an Advance Notice of Proposed Rulemaking (ANPR) asking whether bald and golden eagles should be allowed under federal raptor propagation permits — making them the only MBTA-protected raptors that cannot currently be captive-bred. At the time, eagles were held under education, eagle falconry, and Native American eagle aviary permits. The ANPR solicited public comment on 10 specific questions covering propagator qualifications, facility requirements, hybridization, and permitted purposes for captive-bred birds.

Outcome: No final rule was issued. The prohibition on captive breeding of golden eagles for falconry remains in place to this day.

Full text: govinfo.gov (HTML)  |  PDF version  |  Federal Register entry  Gov't / Federal ANPR

📊 Millsap & Allen (2006) — Falconry Harvest Is Sustainable for Golden Eagles

Millsap, B.A. & Allen, G.T. (2006). "Effects of Falconry Harvest on Wild Raptor Populations in the United States: Theoretical Considerations and Management Recommendations." Wildlife Society Bulletin 34(5):1392–1400. Peer-Reviewed

Using a deterministic matrix population model and the best available demographic data for 8 raptor species, this USFWS-authored study found that golden eagles have among the highest sustainable harvest potential of any species examined — driven by their unusually large floater population.

31%
MSY harvest rate for golden eagles (juvenile passage)
5%
Recommended max harvest cap per USFWS guidance
1.35
Floater-to-breeder ratio — highest of all 8 species studied
<1%
Actual 2003–2004 harvest rate — far below sustainable levels

Key findings for management:

  • Harvest effects below MSY are absorbed almost entirely by the subadult and floating adult population — nest-site counts will not detect sustainable harvest impacts
  • Golden eagles' floater:breeder ratio of 1.35 (the highest of all species modeled) acts as a large demographic buffer — more surplus birds available than any other raptor studied
  • Actual USFWS-recorded take in 2003–2004 was so far below 1% of the juvenile cohort that it was biologically inconsequential at the population level
  • Juvenile (passage) harvest is the least damaging age class to harvest — adults are the most sensitive; current falconry regulations correctly target juveniles
  • Note: the authors recommend caution applying MSY figures to locally declining populations — sustainable at population scale does not automatically apply to a stressed subpopulation

Both authors (Millsap and Allen) are from USFWS Division of Migratory Bird Management — the same program responsible for eagle take permits. Allen is also the author of the 2011 ANPR on eagle captive breeding above.

Falconry as Depredation Solution

How It Works

Cooperative Management Initiatives

Historical precedent exists for government-falconer partnerships:

International Falconry Context

International Eagle Austringers Association represents global falconry community and advocates for eagle management and preservation through falconry.

The Case for Expanded Eagle Falconry

Advantages Over Lethal Control

  • Conservation: Preserves individual eagle lives
  • Effectiveness: Removes specific problem birds
  • Education: Public sees eagles in action, builds support
  • Long-term Management: Falconer manages eagle for 20-30 years
  • Scalability: Leverages private falconer network (Master falconers)

🪶 Eagle Feathers — History, Culture & Federal Law

TL;DR
  • Possessing even a single eagle feather found on the ground is a federal crime without a permit — no "finders keepers" exception exists under BGEPA or MBTA
  • Enrolled members of federally recognized tribes may apply to the National Eagle Repository (NER) for ceremonial feathers — typical wait: 3–5+ years for a whole bird
  • First-offense penalty: up to $5,000 fine and/or 1 year federal imprisonment (misdemeanor); second offense up to $10,000 and/or 2 years (felony)

Historical Context — From Abundance to Federal Protection

For thousands of years, eagle feathers held — and continue to hold — profound spiritual, ceremonial, and cultural significance for Indigenous peoples across North America. War bonnets, prayer fans, and healing ceremonies relied on eagle feathers as sacred objects representing strength, courage, and a direct connection to the Creator. Feathers were earned, gifted, and passed down through generations with deep reverence.

By the late 19th and early 20th centuries, unregulated commercial hunting, poisoning campaigns, and habitat loss had decimated eagle populations across the continent. Bald eagles — once numbering in the hundreds of thousands — fell to fewer than 500 nesting pairs in the lower 48 states by the 1960s. Golden eagles fared only marginally better; aerial gunning campaigns in the American Southwest killed an estimated 20,000 or more birds between the 1940s and early 1960s in Texas alone, with ranchers and government agents targeting them as livestock threats.

~20,000 golden eagles killed by aerial gunning in Texas between the 1940s–1962 before federal protection was extended to the species — the primary catalyst for amending BGEPA to cover golden eagles.

Congress responded in two stages: the Bald Eagle Protection Act of 1940 initially covered only bald eagles. After documented mass killings of golden eagles, the law was amended in 1962 to include golden eagles and was renamed the Bald and Golden Eagle Protection Act (BGEPA). Feathers, like every other part of a protected eagle, became federally regulated property overnight.

The Federal Laws That Apply

Bald and Golden Eagle Protection Act (BGEPA) — 16 U.S.C. § 668

Core prohibition: It is unlawful to "take, possess, sell, purchase, barter, offer to sell or purchase or barter, transport, export, or import, at any time or in any manner, any bald eagle or golden eagle, alive or dead, or any part, nest, or egg thereof."
  • "Part" includes: feathers (including molted feathers), talons, bones, eggs, nests, skins, and blood
  • No grandfather clause: Pre-1940/1962 feathers require a permit just like modern ones
  • Intent irrelevant: Possession itself is the offense — you do not need to know the feather came from an eagle to be prosecuted
  • Found feathers: A feather encountered in the wild may not be picked up, even temporarily. The law makes no distinction between a found feather and one taken directly from a bird

Migratory Bird Treaty Act (MBTA) — 16 U.S.C. § 703

Eagles are also protected under the MBTA, which implements U.S. treaty obligations with Canada, Mexico, Japan, and Russia covering over 1,000 migratory bird species. The MBTA independently prohibits possession of any migratory bird, feather, nest, or egg. Because eagles are covered under both BGEPA and MBTA, a feather possession charge can carry penalties under either statute — or both simultaneously.

$5K
Max fine — first BGEPA criminal offense (misdemeanor)
1 yr
Max imprisonment — first criminal offense
$10K
Max fine — second offense (felony)
2 yrs
Max imprisonment — second offense (felony)

Native American Religious Use — The Eagle Feather Law

Recognizing the central role of eagle feathers in Indigenous spiritual practice, Congress carved out a narrow exemption from BGEPA for enrolled members of federally recognized tribes. This exemption — codified at 50 C.F.R. § 22.60 and colloquially called the "Eagle Feather Law" — is the only legal pathway for a private individual to possess eagle feathers without being engaged in federally licensed research or falconry.

⚠️ Who qualifies: Eligibility is strictly limited to enrolled members of federally recognized Indian tribes (as listed on the federal register maintained by the Bureau of Indian Affairs). State-recognized tribes do not qualify. Non-Indigenous individuals — even those with Indigenous ancestry — do not qualify. Members of non-federally-recognized tribes do not qualify.

How Tribal Members Apply

National Eagle Repository (NER) — How Feathers Are Distributed

All eagles that die in the United States — from power line electrocution, window strikes, vehicle collisions, wind turbine strikes, or any other cause — are supposed to be collected and sent to the National Eagle Repository, a USFWS facility located in Commerce City, Colorado. The NER receives, processes, stores, and distributes eagle carcasses and parts exclusively to enrolled tribal members holding valid religious use permits.

📦 How the NER Works

Intake: State wildlife agencies, tribal wildlife programs, electric utilities, wind energy companies, and the public are all required to report and turn over eagle carcasses. It is illegal to keep a dead eagle even if it died on your property.

Processing: Carcasses are frozen, inventoried, and catalogued by species, condition, and available parts. Birds in poor condition may be processed for individual parts (feathers, talons, wings) rather than distributed whole.

Distribution: Requests are fulfilled in the order received. Demand significantly exceeds supply — as of recent years there are approximately 4,000–6,000 open requests on the NER waitlist at any given time.

Wait times: A request for a whole golden eagle in good condition typically takes 3–5 years or longer. Requests for individual parts may be fulfilled faster. There is no expedited process regardless of urgency of ceremonial need.

Contact: National Eagle Repository · 6550 Gateway Road, Building 128 · Commerce City, CO 80022 · (303) 287-2110 · Part of the USFWS Rocky Mountain Arsenal National Wildlife Refuge

Falconry & Imping — The Feather Repair Exception

Licensed falconers who lawfully possess eagles under their federal falconry permits (50 C.F.R. § 21.82) may legally retain molted feathers from their birds for a specific purpose: imping. Imping is the centuries-old falconry technique of splicing a molted feather onto a damaged feather shaft to restore flight capability. It is considered essential raptor care under federal falconry standards.

Falconry feather rules (50 C.F.R. § 21.82(f)):
  • Molted feathers from a falconer's own permitted bird may be retained for imping only — not for display, sale, or transfer
  • Feathers must be listed on the falconer's annual inventory report submitted to USFWS
  • Imping feathers may be transferred between licensed falconers for the sole purpose of imping a bird they legally possess
  • Feathers may not be sold, bartered, displayed publicly, or given to non-falconers under any circumstance
  • Upon death of the bird, all retained feathers must be turned in to USFWS within 30 days

Scientific, Educational & Salvage Permits

USFWS issues additional permits that allow possession of eagle feathers and specimens outside of the tribal and falconry pathways:

Common Violations & Enforcement

⚠️ The Most Common Misconception: "I found this feather on the ground — that's legal because I didn't take it from a bird." This is false. BGEPA prohibits possession regardless of how the feather was acquired. USFWS agents have successfully prosecuted individuals for possessing feathers purchased at estate sales, inherited from family members, and found on hiking trails.

USFWS Office of Law Enforcement actively investigates eagle feather trafficking. Feathers and parts appear in illegal markets — both physical and online — with whole golden eagle tail fans selling for hundreds to thousands of dollars on the black market. Common enforcement scenarios include:

📋 What to Do If You Find a Dead Eagle or Feathers

Do not touch the bird or feathers. Contact your state wildlife agency or the USFWS immediately. You can also contact the National Eagle Repository directly. Reporting a dead eagle is the legally correct action and helps ensure the carcass reaches tribal members who need it for ceremonies. The USFWS will arrange collection; you will not be penalized for making the call.

Report hotline: USFWS Office of Law Enforcement — 1-800-344-WILD (9453)

Sources — Eagle Feathers & Law

Bald and Golden Eagle Protection Act — U.S. Fish & Wildlife Service · 16 U.S.C. §§ 668–668d Gov't / Federal
50 C.F.R. Part 22 — Eagle Permits — Code of Federal Regulations · Electronic CFR (eCFR) Gov't / Federal
National Eagle Repository — U.S. Fish & Wildlife Service · Rocky Mountain Arsenal National Wildlife Refuge, Commerce City, CO Gov't / Federal
Eagle Feathers for Native American Religious Purposes — USFWS Migratory Bird Permits · Form 3-200-15a Gov't / Federal
Tribal Enrollment — Bureau of Indian Affairs — BIA Tribal Enrollment Centers (eligibility verification resource) Gov't / Federal
U.S. v. Hugs (9th Cir. 1999) & U.S. v. Wilgus (10th Cir. 2011) — Federal circuit courts upholding BGEPA constitutionality against First Amendment / RFRA challenges by non-tribal defendants Case Law
🟢 Published: 2024

🏥 Raptor Rehabilitation as a Conservation Tool

TL;DR
  • Released rehabilitated golden eagles yield ≥4× population return vs. baseline (Hagen et al. 2024, Wildlife Biology)
  • Post-release survival matched wild cohort for golden eagles — rehab birds are not "wasted"
  • 17 raptor species, 24 U.S. rehab centers studied — most comprehensive rehab ROI analysis ever published

A landmark 2024 study in Wildlife Biology put a number on what rehabilitators have long believed: releasing treated raptors back into the wild generates measurable, lasting conservation gains — and golden eagles benefit more than almost any other species.

📄 Study Citation

Hagen, C.A., Goodell, J.M., Millsap, B.A., & Zimmerman, G.S. (2024).
"Dead birds flying": can North American rehabilitated raptors released into the wild mitigate anthropogenic mortality?
Wildlife Biology. DOI: 10.1002/wlb3.01283

17
Raptor Species Studied
24
U.S. Rehab Centers
2.9×
Avg. Wild Birds per Release
4×+
Return for Golden Eagles

Research Question

Anthropogenic (human-caused) mortality is the leading threat to raptor populations across North America. This study asked a simple but untested question: can releasing rehabilitated raptors meaningfully offset those losses at the population level? Prior to this work, no peer-reviewed demographic analysis existed using post-release data at a continental scale.

Key Findings

Comparable Post-Release Survival

For 15 of 17 species studied (all except merlin and barn owl), rehabilitated raptors survived at rates comparable to their wild counterparts after an initial acclimation period.

Population Multiplication Effect

Even releasing just 5–10 rehabilitated birds generated an average of 2.9 additional wild birds per bird released across most species — a genuine net gain for wild populations.

Golden Eagles: Highest Return

Bald and golden eagles produced over 4 additional wild birds per rehabilitated bird released — the best return of any species — due to their long lifespan and slow reproduction.

K-Selected Species Benefit Most

Long-lived, slow-reproducing species like golden eagles gain the most from rehabilitation because each surviving individual contributes breeding years that compound over time.

Lead Author Perspective (Hagen): "I was one of those folks who felt that rehab was a feel-good thing, and it doesn't really make a difference from a conservation standpoint." His own data changed his mind — and the field.

Why It Matters for Golden Eagle Management

Golden eagle populations are already under pressure from wind turbine strikes, electrocution, lead poisoning, and illegal shooting. This study establishes that investing in rehabilitation centers isn't just animal welfare — it's a demographically defensible conservation strategy that can partially offset those losses. Given that golden eagles require 4–5 years to reach breeding age, every adult returned to the wild represents years of future reproductive potential.

Connection to Ranching Context: The same Brian A. Millsap who co-authored this study is also the lead researcher on golden eagle allowable-take limits used in federal depredation permits. This rehabilitation data feeds directly into population models that determine how many eagles can be legally removed under Wyoming, Montana, and Idaho ranching operations.

Authors

Christian A. Hagen — Oregon State University, Dept. of Fisheries, Wildlife & Conservation Sciences, Corvallis, OR (lead author)
John M. Goodell — Archives of Falconry, Boise, ID
Brian A. Millsap — New Mexico State University, Albuquerque, NM
Guthrie S. Zimmerman — Division of Migratory Bird Management, U.S. Fish & Wildlife Service, Sacramento, CA
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Independent educational resource — not affiliated with the U.S. Fish and Wildlife Service, any government agency, or activist organization. Educational use only; not legal or professional advice.